diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa950719..637647a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -756,7 +756,11 @@ else()
 	endif()
 endif()
 file(GLOB CMAKES "cmake/*.cmake" "cmake/*.in")
-install(FILES ${CMAKES} DESTINATION ${CMAKE_ROOT}/Modules)
+if(INSTALL_DIR)
+	install(FILES ${CMAKES} DESTINATION ${INSTALL_DIR}/cmake)
+else()
+	install(FILES ${CMAKES} DESTINATION ${CMAKE_ROOT}/Modules)
+endif()
 
 
 shstk_is_parent_exists(_pe)